Home / 21,961.04-32,944.08-7,165.76

Finding the Fourth Proportional to 21,961.04, 32,944.08 and 7,165.76

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Solution

The fourth proportional to 21,961.04, 32,944.08 and 7,165.76 is: 10,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.04 : 32,944.08 = 7,165.76 : x
  2. Step 2: Convert to fraction form
    21,961.04/32,944.08 = 7,165.76/x
  3. Step 3: Cross multiply
    21,961.04x = 32,944.08 × 7,165.76
  4. Step 4: Simplify right side
    21,961.04x = 236,069,370.70
  5. Step 5: Solve for x
    x = 236,069,370.70/21,961.04
  6. Step 6: Final answer
    x = 10,749.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.